Reducing "life regret" is presented as the best way to reduce death anxiety.
Beyond Yalom’s book, the phrase appears in modern Turkish and international cinema as a title or central theme: Güneşe Bakmak: Ölümle Yüzleşmek by Irvin D. Yalom
The idea that we leave behind parts of ourselves (wisdom, kindness, traits) in others, which provides a form of immortality.